US5330672A - Fabric care composition comprising water soluble or water-dispersible copolymer containing UV-absorbing monomer - Google Patents

Fabric care composition comprising water soluble or water-dispersible copolymer containing UV-absorbing monomer Download PDF

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US5330672A
US5330672A US08/070,033 US7003393A US5330672A US 5330672 A US5330672 A US 5330672A US 7003393 A US7003393 A US 7003393A US 5330672 A US5330672 A US 5330672A
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composition according
water
sodium
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Matthew E. Langer
Simon R. Ellis
John F. Hessel
Ferial Khorshahi
Russell J. Ward
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Lever Brothers Co
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Lever Brothers Co
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
    • C08G69/44—Polyester-amides
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3715—Polyesters or polycarbonates
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3703—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3719—Polyamides or polyimides

Definitions

  • the subject invention relates to fabric care compositions comprising novel water-dispersible or water-soluble copolymers which contain at least one UV-absorbing monomer and one hydrophilic monomer component.
  • the copolymers used in these compositions may optionally contain a hydrophobic monomer component (i.e., if you have a water-soluble UV absorber, then you need hydrophobic groups to ensure it adsorbs).
  • the compositions of the invention provide anti-fading and soil release benefits. Because of their UV absorbancy, the copolymers used in the composition of the invention could also be used in sunscreen compositions.
  • the copolymers may also be used in other compositions such as may be recognized by those skilled in the art.
  • UV light induced fading of fabric is a major concern to those residing in areas of high solar intensity.
  • a fabric care composition comprising an agent which could provide protection from solar ultraviolet radiation and thereby retard the rate of garment fading would therefore prove most useful to consumers living in tropical and sub-tropical climates.
  • compositions comprising a UV absorbing monomer in combination with a hydrophilic monomer (which both delivers the copolymer into an aqueous system and also provides soil-release effect) are unknown.
  • poly(ethylene terephthalate/poly(ethylene glycol) copolymers absorb onto hydrophobic surfaces to confer soil release properties
  • These materials are believed to function by hydrophilicly modifying a hydrophobic surface such as oily soil on fabric or polyester fabric itself, deterring deposition of hydrophobic soils including body sebum.
  • the poly(ethylene terephthalate) unit is believed to seek and adhere to the hydrophobic surface; the poly(ethylene glycol) portion is felt to give hydrophilic character to the fabric surface as well as aid the polymer in transfer through the aqueous medium.
  • UV-absorbing agents such as p-aminobenzoic acid (PABA) and its derivatives have been used for nearly half a century as UV screening agents (N. A. Shaath in “Sunscreens: Development, Evaluation, and Regulatory Aspects,” N. J. Lowe and N. A. Shaath, Eds., Marcel Dekker, Inc., New York, 1990 ).
  • PABA p-aminobenzoic acid
  • UV sunscreen agents such as PABA, however, are generally water-insoluble and there appears to be no teaching of combining such agents in carriers such that they may be used in fabric cleaning compositions.
  • N-phenylphthalisimides as ultraviolet radiation [check] absorbers for cotton, wool, polyester, and rayon fabric. Again, these compounds are unrelated to the copolymers used in the compositions of the invention. Further, an aqueous sulfuric acid vehicle is required for deposition.
  • Japanese Patent Jpn. Kokai Tokkyo Koho 80,137,217 (Unitika Ltd.) teaches the synthesis of poly(ethylene terephthalate)/poly( ⁇ -benzamide) copolymers for high modulus automobile tire cords.
  • I. F. Osipenko, et al., Vesti Akad. Navuk BSSR, Ser. Khim. Navuk; 1:105 (1980) teach the synthesis of poly(ethylene terephthalate)/poly( ⁇ -benzamide) copolymers and that the incorporation of ⁇ -aminobenzoic acid into poly(ethylene terephthalate) improves fiber-forming properties and dye ability.
  • Neither of these patents or publications mention the use of the poly( ⁇ -benzamide)-based materials as UV absorbing agents or soil-release agents, nor do these disclosures mention that the poly( ⁇ -benzamide)-based materials are water-soluble or water dispersible.
  • the compound used differs from the copolymer used in the compositions of the invention, there is no teaching that a UV absorbing monomer can be delivered in an aqueous (e.g., fabric care) system, and there is no teaching or suggestion that the UV absorbing monomer can be used in a copolymer which imparts fade-resistance or soil-release properties.
  • a UV absorbing monomer can be delivered in an aqueous (e.g., fabric care) system, and there is no teaching or suggestion that the UV absorbing monomer can be used in a copolymer which imparts fade-resistance or soil-release properties.
  • compositions comprising copolymers containing a UV-absorbing monomer copolymerized with a hydrophilic monomer which allows the UV-absorbing polymer to be delivered in an aqueous system and simultaneously provides soil release benefits.
  • compositions comprising novel water-dispersible or water-soluble copolymers which contain at least one UV-absorbing monomer and one hydrophilic monomer component.
  • compositions comprising novel water dispersible or water-soluble copolymers which contain at least one UV absorbing monomer and one hydrophilic monomer.
  • the copolymer may optionally contain a hydrophobic monomer component to control delivery and deposition.
  • the copolymers used in the compositions of the invention are intended to achieve a balance between water-solubility such that they are soluble enough to deliver a normally insoluble UV monomer to a fabric surface yet sufficiently insoluble such that the delivered monomer can stick or adsorb onto the fabric surface.
  • a hydrophobic comonomer may be used.
  • the fabric care compositions in which the novel copolymers may be used may contain an alkali metal or alkanolamine soap of a C 10 -C 24 fatty acid or they may contain one or more surface active agents selected from the group consisting of anionic, nonionic, cationic, ampholytic and zwitterionic surfactants or, finally, they may contain mixtures of any of these.
  • anionic synthetic detergents are salts (including sodium, potassium, ammonium and substituted ammonium salts such as mono-, di- and triethanolamine salts) of C 9 -C 20 alkylbenzenesulphonates, C 8 -C 22 primary or secondary alkanesulphonates, C 8 -C 24 olefinsulphonates, sulphonated polycarboxylic acids (prepared by sulphonation of the pyrolyzed product of alkaline earth metal citrates, e.g. as described in British Patent Specification No.
  • nonionic synthetic detergents are the condensation products of ethylene oxide, propylene oxide and/or butylene oxide with C 8 -C 18 alkylphenols, C 8 -C 18 primary or secondary aliphatic alcohols, C 8 -C 18 fatty acid amides; further examples of nonionics include tertiary amine oxides with one C 8 -C 18 alkyl chain and two C 1 -C 3 alkyl chains.
  • the above reference also describes further examples of nonionics.
  • the average number of moles of ethylene oxide and/or propylene oxide present in the above nonionics varies from 1-30; mixtures of various nonionics, including mixtures of nonionics with a lower and a higher degree of alkoxylation, may also be used.
  • nonionic surfactants are those derived from etherification of an alkyl or an alkylaryl alcohol with a reducing sugar. Particularly suitable examples are the alkyl polyglucosides described in U.S. Pat. No. 4,713,447 to Letton et al. and DE 3,827,534 (assigned to Henkel).
  • a further class of nonionics particularly useful for drier sheets are the distributing agents such as those described in U.S. Pat. No. 4,421,792 to Rudy et al., hereby incorporated by reference into the subject application.
  • cationic surfactants include, but are not limited to the quaternary ammonium compounds such as the monoalkyltrimethyl and dialkyldimethylammonium halides or C 1 -C 3 alkyl sulfate salts (i.e., methyl or ethyl sulfates), alkyl pyridinium salts and substituted immidazolinium species.
  • quaternary ammonium compounds such as the monoalkyltrimethyl and dialkyldimethylammonium halides or C 1 -C 3 alkyl sulfate salts (i.e., methyl or ethyl sulfates), alkyl pyridinium salts and substituted immidazolinium species.
  • Still other useful agents are the primary, secondary and tertiary amines and the condensation products of fatty acids with an alkyl polyamine (e.g., bis(amidoamine).
  • ester linked quaternary ammonium materials of the following formula: ##STR1## wherein each R 1 group is independently selected from C 1-4 alkyl, alkenyl or hydroxyalkyl groups; each R 2 group is independently selected from C 12-24 alkyl or alkenyl groups; T is ##STR2## and n is an integer from 0-5.
  • ester-linked quaternary ammonium materials are particularly preferred for use in fabric conditioners because they are more biodegradable than conventional quaternary ammonium materials.
  • amphoteric or zwitterionic detergents are N-alkylamino acids, sulphobetaines, and condensation products of fatty acids with protein hydrolysates although, owing to their relatively high costs, they are usually used in combination with an anionic or a nonionic detergent.
  • mixtures of the various types of active detergents may also be used, and preference is given to mixtures of an anionic and a nonionic detergent active.
  • Soaps in the form of their sodium, potassium and substituted ammonium salts
  • fatty acids may also be used, preferably in conjunction with an anionic and/or a nonionic synthetic detergent.
  • the fabric care compositions which contain copolymers comprising UV absorbing monomers may be heavy duty detergent compositions, powdered detergent compositions, fabric softener compositions or fabric drier sheet compositions.
  • the composition is a heavy duty liquid detergent composition
  • a detergent-active compound wherein the detergent active compound includes 0 to 40% of an anionic surfactant selected from the group consisting of alkyl benzene sulfonates, alkyl sulfates, and alkyl ethoxy sulfates in combination with 0 to 40% of a nonionic surfactant selected from the group consisting of alcohol alkoxylates, alkyl phenol alkoxylates, alkyl polyglucosides, and alkyl glycerol ethers; and
  • a detergent builder selected from the group consisting of alkali metal salts of citric acid, copolymers of acrylic and maleic acid, oxydisuccinate, tartrate monosuccinate/tartrate disuccinate, C 8 to C 18 carboxylic acids, zeolites, condensed phosphates, and combinations thereof.
  • the liquid detergent composition comprises, in addition to the copolymer of the invention, the following:
  • the composition is a powdered detergent composition
  • a powdered detergent composition comprising. a) from 0 to about 40% anionic surfactant selected from the group consisting of alkali metal or ammonium salts of alkyl benzene sulfonates, alkyl sulfates, alkyl ether sulfates; b) from 0 to about 40% of a nonionic surfactant selected from the group consisting of alkyl alkoxylates, alkylphenol alkoxylates, alkyl polygtucosides, and alkyl glycerol ethers; c) from 5 to about 70% of a detergent builder selected from the group consisting of sodium.
  • anionic surfactant selected from the group consisting of alkali metal or ammonium salts of alkyl benzene sulfonates, alkyl sulfates, alkyl ether sulfates
  • tripolyphosphate sodium aluminosilicates, sodium C 8 -C 18 alkyl carboxylates, poly(acrylic) acid and copolymers of acrylic and maleic acid, alkyl ether carboxylates, citric acid and combinations thereof; d) from 2 to abut 40% of an alkalinity buffer selected from the groups consisting of sodium silicate, sodium carbonate, and organic amines; and e) from 0 to about 40% sodium sulfate.
  • an alkalinity buffer selected from the groups consisting of sodium silicate, sodium carbonate, and organic amines
  • the composition is a fabric softener composition comprising from 2 to about 40% of a mixture comprising: a) from 0 to about 95% of a cationic ammonium salt selected from the group consisting of alkyl or alkaryl quaternary ammonium salts, alkylpyridinium salts, and substituted imidazolinium salts; b) from 0 to about 95% of primary, secondary or tertiary amines; c) from 0 to about 95% of the condensation product of a C 8 to C 18 alkyl carboxylic acid and an alkylpolyamine; and d) from 0 to about 40% of a polysiloxane or alkyl, alkoxy, or alkylamine modified polysiloxane.
  • a cationic ammonium salt selected from the group consisting of alkyl or alkaryl quaternary ammonium salts, alkylpyridinium salts, and substituted imidazolinium salts
  • the composition is a fabric drier sheet comprising: a) from 5 to 40% of a fabric softening or antistatic agent selected from the group consisting of cationic alkyl or alkaryl ammonium salts, alkyl pyridinium salts, alkyl amines, clays and poly siloxanes; b) from 2 to about 90% of a dispersing agent selected from group consisting of urea, ammonium carbonate, ethoxylated alkanols, polyethylene glycols, and block copolymers of a polyethylene glycol and polypropylene glycol; and c) a backing strip or sheet carrying said composition.
  • a fabric softening or antistatic agent selected from the group consisting of cationic alkyl or alkaryl ammonium salts, alkyl pyridinium salts, alkyl amines, clays and poly siloxanes
  • the surfactant used in the various fabric care compositions of the invention will comprise from about 1-75% by weight of the composition, preferably from about 20-40% by weight.
  • the copolymer used in the compositions of the invention may comprise from 0.01 to 10% by weight of the composition, preferably from 0.05 to 5% by weight, most preferably from 0.1-3%. It should be noted that in a standard formulation, the copolymer generally will comprise from 0.01-5%, preferably 0.1-3% of the composition but that the upper range may increase if the copolymer is included as part of a concentrate composition.
  • the fabric conditioning compositions may include silicones, such as predominantly linear polydialkylsiloxanes, e.g., polydimethylsiloxanes; soil release polymers such as block copolymers of polyethylene oxide and terephthalate; fatty amines selected from the group consisting of primary fatty amines, secondary fatty amines, tertiary fatty amines and mixtures thereof; amphoteric surfactants; smectite type inorganic clays; anionic soaps; zwitterionic quaternary ammonium compounds and nonionic surfactants.
  • silicones such as predominantly linear polydialkylsiloxanes, e.g., polydimethylsiloxanes
  • soil release polymers such as block copolymers of polyethylene oxide and terephthalate
  • fatty amines selected from the group consisting of primary fatty amines, secondary fatty amines, tertiary fatty amines and mixtures thereof
  • the fabric conditioning compositions may also include an agent which produces a pearlescent appearance (e.g., an organic pearlizing compound such as ethylene glycol distearate, or inorganic pearlizing pigments such as microfine mica or titanium dioxide (TiO 2 ) coated mica.
  • an agent which produces a pearlescent appearance e.g., an organic pearlizing compound such as ethylene glycol distearate, or inorganic pearlizing pigments such as microfine mica or titanium dioxide (TiO 2 ) coated mica.
  • Other optional ingredients include emulsifiers, electrolytes (for example, sodium chloride or calcium chloride) preferably in the range from 5 to 500 ppm, optical brighteners or fluorescent agents preferably in the range from 0.01 to 5%, buffers, perfumes preferably from 0.1 to 5%, germicides, bactericides, and bacteriostatic agents.
  • Bacteriostatic agents are preferably employed in the range from 1 to 1000 ppm, based on % active of such agent.
  • the compositions may include water-soluble and/or water insoluble detergent builder salts, alkalinity buffers (e.g., monoethanolimine, triethanolimine, borax and the like), hydrotropes (e.g., ethanol, sodium xylene sulfonate, sodium cumene sulfonate and the like), clays, antisettling agents (e.g., aluminum stearate), soil-redeposition or anti-redeposition agents, optical brighteners, anti-foam agents and bactericides.
  • alkalinity buffers e.g., monoethanolimine, triethanolimine, borax and the like
  • hydrotropes e.g., ethanol, sodium xylene sulfonate, sodium cumene sulfonate and the like
  • clays e.g., antisettling agents (e.g., aluminum stearate), soil-redeposition or anti-redeposition agents, optical brighteners, anti-foam agents and
  • copolymers used in the compositions of the invention may be defined by the following formula I:
  • A is a monomer capable of absorbing ultraviolet radiation in the 280-400 nanometer (nm) range and bearing the appropriate bifunctionality for incorporation into the main chains of the polymer.
  • groups include planar aromatic based moieties such as aminobenzoate esters, anthranilate esters, salicylate esters, hydroxycinnamate esters, hydroxycarboalkoxybenzophenones, hydroxycarboalkoxydibenzoylmethanes, carboalkoxycinnamate esters, dihydroxy- and dicarboxyalkoxy benzophenones, dihydroxy- and dicarboxy- beznoylmethanes, dihydroxy-, dicarboalkoxy-, and hydroxycarboalkoxy- substituted betacarotenes, and dihydroxy-, dicarboalkoxy-, and hydroxycarboalkoxy substituted vitamin E derivatives;
  • B is a hydrophilic monomer incorporated to confer hydrophilicity to hydrophobic surfaces
  • C is a hydrophobic monomer incorporated to adjust the water solubility or water dispersability and binding strength to hydrophobic surfaces;
  • n is at least 1 and may range from 1 to 500, preferably 50-500;
  • n is at least 5 and may range from 5 to 500;
  • p may be zero and may range from 0 to 500.
  • p (defining the chain length of the hydrophobic monomer) should be at least 1 in order to ensure deposition of the polymer.
  • the length of the hydrophilic monomer (B) or the percentage of B as a total percentage of copolymer is such that the resulting copolymer is too water soluble to effectively allow the UV monomer to absorb onto hydrophobic surfaces (i.e., of the fabric)
  • p must always be greater than 0.
  • p must be large enough to ensure that adsorption takes place while at the same time not So large as to preclude water dispersability.
  • a careful balance must be maintained so that the copolymer is soluble enough to deliver normally insoluble UV monomer to a fabric surface yet the copolymer is sufficiently insoluble such that the delivered monomer can adsorb onto the fabric surface.
  • the level of m is chosen to balance the water dispersability, substantivity and hydrophilic character of the deposited coating. In practice, a minimum value for m of approximately 5 is useful.
  • the monomer A may comprise 0.05 to 99.9 mol % of the polymer, preferably 5-75%, most preferably 20-70 mol %
  • the hydrophilic monomer B may comprise 0.05 to 49.9 mol % of the polymer, preferably 10 to 45% , most preferably 20-40 mol % of the polymer
  • the hydrophobic monomer C if present, may comprise 0.05 to 49.9% mol % of the polymer, preferably 10 to 45%, most preferably 20-40%.
  • A, B, and C are expressed above as a copolymer, it is to be understood that the places of A, B and C may be interchanged.
  • block copolymers of the invention may be further defined by the following formula II: ##STR3## wherein:
  • R is a difunctional aryl or alkyl group such as, for example, difunctional benzene or naphthalene, preferably difunctional benzene or a difunctional straight or branched alkyl chain containing 4 to 16 carbon atoms;
  • R 1 is hydrogen or an aliphatic containing group having 1-20 carbons, preferably a straight-chained alkyl group having 1-12 carbons, most preferably 1 to 5 carbons, an aryl, an alkaryl, a secondary amine such as, for example, dialkylamine, an alkali metal sulfonate, an alkali metal carboxylate, an alkyl ether or a halogen atom;
  • R 2 is a straight or branch chain alkoxy group having 1 to 16 carbons, preferably 1 to 4 carbons, or an aryloxy or a substituted aryloxy group;
  • R 3 is a straight or branch chain alkyl group having 1 to 16 carbons, preferably a 1-3 carbons;
  • R 4 is a UV absorbing monomer bearing the appropriate bifunctionality for incorporation into the main chain of the polymer.
  • bifunctional is meant any UV absorbing monomer as defined above bearing at least the functional groups such as are well known in the art. Examples of such functional groups include, but are not limited to, amines, esters, carboxylic acids, hydroxyl groups etc.
  • x which represents the number of monomeric units of the optional hydrophobic group, is selected such that the hydrophobe is present at 0-49.9 mol % of the polymer;
  • y is selected such that the R 2 group is present at 0-49.9 mol % of the polymer
  • z is selected such that the (OR 3 ) n group is present at 0-49.9 mol % of the mixture wherein n is an integer between 2 and 200, preferably 10 to 25; and
  • w is selected such that the R 4 is present at 0.05 to 99.9 mol % of the polymer.
  • w plus z must equal at least 0.05 mol %.
  • the UV absorbing monomer (represented above by R 4 ) is a moiety bearing the appropriate bifunctionality for incorporation into the main chain of the polymer.
  • the UV-absorbing monomer should absorb in the UVB (280-320 nm) and/or the UVA range (320-400 nm).
  • Preferred monomers are either highly conjugated and/or poly(ene) based derivatives and/or aromatic-based derivatives bearing the appropriate difunctional groups.
  • UVB and/or UVA absorbers examples include p-aminobenzoate esters, m-aminobenzoate esters, anthranilate esters, salicylate esters, 2, 3, and 4-hydroxycinnamate esters; 2,2',3,3' and 4,4'-dihydroxy and dicarboalkoxy benzophenones and isomeric mixtures thereof; 2,2', 3,3' and 4,4'-dihydroxy and dicarboalkoxydibenzoylmethanes and isomeric mixtures thereof; and 2,2',3,3', and 4,4'-dihydroxy- and dicarboalkoxydibenzalacetones.
  • methyl 4-aminobenzoate is particularly preferred because of its ease of preparation and commercial availability.
  • UV absorbing monomers which can suitably be used by those skilled in the art may be found in Shaath, N. A. Encyclopedia of UV Absorbers for Sunscreen Products, Cosmetics and Toiletries, pp. 21-39 (March, 1987)
  • the UV absorbing monomer may be added as 0.05-99.9 mol % of the polymer, preferably 5-75% mol %, most preferably 20-70 mol %.
  • the hydrophilic component (represented by R 2 and (OR 3 ) n ) is incorporated to confer hydrophilicity to naturally hydrophobic surfaces such as soiled cotton or polyester as well as to facilitate transfer of the polymer through an aqueous medium.
  • Hydrophilic monomers which may be used include, but are not limited to the ⁇ , ⁇ -diols or alkylene glycols such as ethylene glycol, propylene glycol, butylene glycol, and mixtures of the three.
  • Other hydrophilic monomers which may be used as R 2 are based on simple sugars or poly(saccharides), or ⁇ , ⁇ poly(ols) which may include glucose, sucrose, sorbitol or glycerol.
  • R 2 is an ethylene glycol and (OR 3 ) n is a poly(ethylene glycol).
  • Suitable polyethylene glycols are those manufactured by Union Carbide and sold under the CARBOWAX® tradename. Examples include CARBOWAX® 300, 600, 1000, 3350 and the like. It is not absolutely required that the ethylene glycol monomeric unit be present as part of the final copolymer although generally the molecule is present as 5-30 mol %, preferably 10-30% mol % of the polymer.
  • this monomer is present as 5-45 mol %, preferably 20-45% of the polymer.
  • the hydrophobic monomer which may be optionally incorporated is used to adjust the water solubility and binding strength of the copolymer to hydrophobic surfaces. As noted above, this monomer should be present if the UV absorbing monomer is water-soluble or if the percentage of y plus z (i.e., hydrophilic monomer) is so high that the polymer is too water soluble to absorb onto hydrophobic surfaces.
  • Suitable hydrophobic monomers which may be used include long chain aliphatic ⁇ , ⁇ -diols, ⁇ , ⁇ -diamines, or ⁇ , ⁇ -dicarboxylates.
  • hydrophobic monomers includes the aromatic 4,4'-phenylenediols, 4,4'-biphenols, or 4,4'-dihydroxydiphenyl ethers, as well as the analogous dicarboxy or diamino species.
  • Especially preferred monomers are terephthalic acid and hexanedioic acid.
  • These monomers are generally added as 0.05-49.9 mol % of the reaction mixture, preferably 10-45 mol %.
  • the UV absorbing monomer is methyl 4-aminobenzoate
  • the hydrophilic monomer is a mixture of poly(ethylene glycol) and ethylene glycol
  • the hydrophobic monomer is dimethyl terephthalic acid.
  • the molecular weight of the copolymers may range from oligomers of about 750 to polymers of about 100,000, preferably 1000 to 15,000, and most preferably 2000 to about 10,000.
  • the ratio of monomers can vary broadly depending upon the end use requirements such as whether the polymer is being used for soil release, antiredeposition, or enzyme stabilization.
  • the copolymers of the present invention may be based upon the condensation product of dimethyl terephthalate, ethylene glycol, poly(ethylene glycol), and methyl 4-aminobenzoate.
  • the polyethylene glycol used will generally have a molecular weight ranging from about 200 to about 10,000.
  • the hydrophobic poly(ethylene terephthalate) unit has been incorporated to adhere the polymer to hydrophobic surfaces such as oily soil residue on cotton fabric or polyester-based fabric.
  • the hydrophilic poly(ethylene glycol) unit has been incorporated to facilitate polymer transfer through an aqueous medium and to modify a hydrophobic surface to a more hydrophilic state, thereby deterring oily soil build-up.
  • the methyl 4-aminobenzoate unit has been incorporated primarily to provide anti-fading benefits. The methyl 4-aminobenzoate was obtained commercially.
  • Polymers were obtained by charging the reaction vessel with 1 eq of dimethyl terephthalate, 2 eq. of the ethylene glycolpoly(ethylene glycol) mixture, 0.5-3 eq. of 4-aminobenzoate, and suitable catalysts such as Ca(OAc) 2 .
  • the contents of the reaction vessel were heated between 175°-220° C. for between 26-30 hours.
  • the resulting materials ranged in molecular weight from 1,000-15,000 and absorbed UV light in the UVB (280-320 nm) range.
  • the reaction vessel was purged with nitrogen and was heated at 175° C. for 2 h. The temperature was raised to 205° C., at which point MeOH began to distill off, and was heated at that temperature for 5 h. The temperature was further raisedto 220° C. and heated at that temperature for an additional 19 h. The reaction mixture was allowed to cool to room temperature, where upon the polymer was removed. Optionally, the reaction mixture was allowed to cool 80° C., and was placed under vacuum (2 torr). The reaction mixture was reheated to 220° C., and was kept at that temperature for 4 h. The vacuum was removed and the reaction mixture was allowed to cool to room temperature under nitrogen.
  • Solutions of anti-fade polymers of the present invention were prepared by dissolving 2 g of anti-fade polymer in 50 g of chloroform. Solutions were sprayed from a Humbrol Spray Gun onto 10 ⁇ 15 cm swatches of green cotton. Approximately 0.04 g of the anti-fade polymers were deposited ontoeach test cloth. The test swatches were exposed to simulated solar radiation via an Atlas Ci65a Weather-O-meter for 45 h. The spectral output(xenon arc radiation filtered through borosilicate glass) approximates Miami (25°46' north latitude) daylight. Test conditions meet BS 1006 and DIN standards for light fastness testing.
  • Anti-fade protection was assessed by reflectance spectroscopy using an ICS Micromatch Reflectance Spectrophotometer. The percent anti-fade protection was calculated as the change in reflectance (Ks) from the untreated to the treated cloths, relative to the untreated cloths, i.e.,
  • This Example shows that, of the polymers from Table 1 tested, anti-fade protection ranging from 2.6-30% increases were found.
  • the Example shows that a UV absorbing monomer can be incorporated into a water-dispersible or water-soluble copolymer which can be used in a solvent vehicle and thatthe copolymer will provide anti-fading effect.
  • the polymers cause no noticeable staining of the fabric.
  • Solutions of anti-fade polymers of the present invention were prepared by dissolving 2 g of anti-fade polymer in 50 g of chloroform. Solutions were sprayed from a Humbrol Spray Gun onto 10 ⁇ 15 cm swatches of blue polyester. Approximately 0.04 g of the anti-fade polymers were deposited onto each test cloth. The test swatches were exposed to simulated solar radiation via an Atlas Ci65a Weather-O-Meter for 45 h. The spectral output(xenon arc radiation filtered through borosilicate glass) approximates Miami (25°46' north latitude) daylight. Test conditions meet BS 1006 and DIN standards for light fastness testing.
  • Anti-fade protection was assessed by reflectance spectroscopy using an ICS Micromatch Reflectance Spectrophotometer. The percent anti-fade protection was calculated as the change in reflectance (Ks) from the untreated to the treated cloths, relative to the untreated cloths, i.e.,
  • Rinse conditioners containing 5% w/w Arquad 2HT (dihardened tallow dimethylammonium chloride) softener and 2.5% w/w anti-fade polymer were prepared by adding a neat mixture of the melted solids to 70° C. water with vigorous agitation. These fabric care formulations were used ata concentration of 4 g/L on 10 g swatches of blue polyester. The rinse treatment was carried out in a terg-o-tometer at 60 rpm with 21° C.demineralized water for 5 min. The polyester fabric pieces were spun and line dried. These test swatches were exposed to simulated solar radiation via an Atlas Ci65a Weather-O-Meter for 45 h.
  • Arquad 2HT hardened tallow dimethylammonium chloride
  • the spectral output (xenon arc radiation filtered through borosilicate glass) approximates Miami (25°46' north latitude) daylight. Test conditions meet BS 1006 and DIN standards for light fastness testing. Anti-fade protection was assessed by reflectance spectroscopy using an ICS Micromatch Reflectance Spectrophotometer. The percent anti-fade protection was calculated as the change in reflectance (Ks) from the untreated to the treated cloths, relative to the untreated cloths, i.e.,
  • Example 5 This Example is similar to Example 5 and demonstrates that a UV absorbing monomer can be incorporated into a fabric care composition and can impart anti-fading effect.
  • Rinse conditioners containing 5% w/w dihardened tallow dimethylammonium chloride softener (Arquad 2HT) and 1% w/w anti-fade polymer were prepared by adding a neat mixture of the melted solids to 70° C. water with vigorous agitation. These fabric care formulations were used at a concentration of 2mL/L on 3" ⁇ 10" swatches of virgin polyester. The rinse treatment was carried out in a terg-o-tometer at 60 rpm with 21° C. demineralized water for 5 min. The polyester fabrics were line dried. The test cloths were stained with a 100 ⁇ L solution of 0.06% w/w sudan red in olive oil, and left to wick for four days.
  • Baselinereflectance data were obtained using an ICS Micromatch Reflectance Spectrophotometer.
  • the test cloths were rewashed in a terg-o-tometer at 40° C. with 5 g/L of a commercially available laundry detergent for15 min., rinsed at 21° C. for 5 min., and line dried. Soil release benefit from the anti-fade polymers was assessed by redetermining reflectance.
  • the percent detergency i.e., soil release
  • Ks change in reflectance

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US5567444A (en) * 1993-08-30 1996-10-22 Ecolab Inc. Potentiated aqueous ozone cleaning and sanitizing composition for removal of a contaminating soil from a surface
US5652051A (en) * 1995-02-27 1997-07-29 Kimberly-Clark Worldwide, Inc. Nonwoven fabric from polymers containing particular types of copolymers and having an aesthetically pleasing hand
US6010539A (en) * 1996-04-01 2000-01-04 E. I. Du Pont De Nemours And Company Cleaning formulations for textile fabrics
US6046330A (en) * 1998-04-24 2000-04-04 Qinghong; Jessica Ann Complexes of ultraviolet absorbers and quaternary ammonium compounds which are substantially free from unwanted salts
US6071869A (en) * 1996-08-16 2000-06-06 E. I. Du Pont De Nemours And Company Fabric cleaning formulations
US6159918A (en) * 1998-12-16 2000-12-12 Unilever Home & Personal Care U.S.A., Division Of Conopco, Inc. Transparent/translucent liquid enzyme compositions in clear bottles comprising UV absorber
US6630437B1 (en) * 1998-12-16 2003-10-07 Unilever Home & Personal Care Usa , Division Of Conopco, Inc. Transparent/translucent liquid compositions in clear bottles comprising colorant and fluorescent dye or UV absorber
US6838498B1 (en) * 1999-11-04 2005-01-04 Kimberly-Clark Worldwide, Inc. Coating for treating substrates for ink jet printing including imbibing solution for enhanced image visualization and retention
US20050049163A1 (en) * 1999-07-23 2005-03-03 Akbarian Fatemeh H. Dry-cleaning processes and components therefor
US20060058216A1 (en) * 1996-03-22 2006-03-16 Toan Trinh Concentrated, stable, preferably clear, fabric softening composition
US7157018B2 (en) 2003-07-08 2007-01-02 Scheidler Karl J Compositions for improving the light-fade resistance and soil repellancy of textiles and leathers
US20070085050A1 (en) * 2003-07-08 2007-04-19 Scheidler Karl J Methods and Compositions for Improving Light-Fade Resistance and Soil Repellency of Textiles and Leathers
US9464375B2 (en) 2014-01-24 2016-10-11 The Procter & Gamble Company Kit for treating a substrate
WO2016177483A1 (en) * 2015-05-07 2016-11-10 Henkel Ag & Co. Kgaa Method to prevent discoloration of colored textiles
US9834740B2 (en) 2014-01-24 2017-12-05 The Procter & Gamble Company Photoactivators
US10098519B2 (en) 2014-01-24 2018-10-16 The Procter & Gamble Company Lighted dispenser
US10111574B2 (en) 2014-01-24 2018-10-30 The Procter & Gamble Company Method for treating dishware

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US5250652A (en) † 1992-07-30 1993-10-05 Lever Brothers Company, Division Of Conopco, Inc. High loading water-dispersible UVA and/or UVB light-absorbing copolymer
TW382635B (en) 1993-12-20 2000-02-21 Canon Kk Liquid composition and ink set, and image-forming process and apparatus using the same
US5543083A (en) * 1994-07-26 1996-08-06 The Procter & Gamble Company Fatty amine derivatives of butylated hydroxy toluene for the protection of surfaces from physical and chemical degradation
ATE197960T1 (de) * 1994-07-26 2000-12-15 Procter & Gamble Nachspülzusätze enthaltend oxydationsinhibitoren in wäscheweichmacherzusammensetzungen
US5474691A (en) * 1994-07-26 1995-12-12 The Procter & Gamble Company Dryer-added fabric treatment article of manufacture containing antioxidant and sunscreen compounds for sun fade protection of fabrics
EP0749998A1 (de) * 1995-06-21 1996-12-27 Hüls Aktiengesellschaft Schmutzlösepolymere auf Basis von Oligoestern als Bestandteil von Formulierungen zur Ablösung von Öl- und Fettschmutz
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ID21880A (id) * 1997-01-10 1999-08-05 Unilever Nv Komposisi-komposisi pengolah kain
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US6090372A (en) * 1997-07-15 2000-07-18 Lever Brothers Company, Division Of Conopco, Inc. Liquid detergent compositions and process for their preparation
DE19735715A1 (de) 1997-08-18 1999-02-25 Huels Chemische Werke Ag Amphiphile Polymere auf Basis von Polyestern mit einkondensierten acetalischen Gruppen, die bei Raumtemperatur flüssig sind, sowie ihr Einsatz in Wasch- und Reinigungsmitteln
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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5567444A (en) * 1993-08-30 1996-10-22 Ecolab Inc. Potentiated aqueous ozone cleaning and sanitizing composition for removal of a contaminating soil from a surface
US5484549A (en) * 1993-08-30 1996-01-16 Ecolab Inc. Potentiated aqueous ozone cleaning composition for removal of a contaminating soil from a surface
US5652051A (en) * 1995-02-27 1997-07-29 Kimberly-Clark Worldwide, Inc. Nonwoven fabric from polymers containing particular types of copolymers and having an aesthetically pleasing hand
US20060058216A1 (en) * 1996-03-22 2006-03-16 Toan Trinh Concentrated, stable, preferably clear, fabric softening composition
US20060058215A1 (en) * 1996-03-22 2006-03-16 Toan Trinh Concentrated, stable, preferably clear, fabric softening composition
US6010539A (en) * 1996-04-01 2000-01-04 E. I. Du Pont De Nemours And Company Cleaning formulations for textile fabrics
US6071869A (en) * 1996-08-16 2000-06-06 E. I. Du Pont De Nemours And Company Fabric cleaning formulations
US6046330A (en) * 1998-04-24 2000-04-04 Qinghong; Jessica Ann Complexes of ultraviolet absorbers and quaternary ammonium compounds which are substantially free from unwanted salts
US6630437B1 (en) * 1998-12-16 2003-10-07 Unilever Home & Personal Care Usa , Division Of Conopco, Inc. Transparent/translucent liquid compositions in clear bottles comprising colorant and fluorescent dye or UV absorber
US6159918A (en) * 1998-12-16 2000-12-12 Unilever Home & Personal Care U.S.A., Division Of Conopco, Inc. Transparent/translucent liquid enzyme compositions in clear bottles comprising UV absorber
US20050049163A1 (en) * 1999-07-23 2005-03-03 Akbarian Fatemeh H. Dry-cleaning processes and components therefor
US6838498B1 (en) * 1999-11-04 2005-01-04 Kimberly-Clark Worldwide, Inc. Coating for treating substrates for ink jet printing including imbibing solution for enhanced image visualization and retention
US20070085050A1 (en) * 2003-07-08 2007-04-19 Scheidler Karl J Methods and Compositions for Improving Light-Fade Resistance and Soil Repellency of Textiles and Leathers
US7157018B2 (en) 2003-07-08 2007-01-02 Scheidler Karl J Compositions for improving the light-fade resistance and soil repellancy of textiles and leathers
US7824566B2 (en) 2003-07-08 2010-11-02 Scheidler Karl J Methods and compositions for improving light-fade resistance and soil repellency of textiles and leathers
US9464375B2 (en) 2014-01-24 2016-10-11 The Procter & Gamble Company Kit for treating a substrate
US9834740B2 (en) 2014-01-24 2017-12-05 The Procter & Gamble Company Photoactivators
US10098519B2 (en) 2014-01-24 2018-10-16 The Procter & Gamble Company Lighted dispenser
US10111574B2 (en) 2014-01-24 2018-10-30 The Procter & Gamble Company Method for treating dishware
WO2016177483A1 (en) * 2015-05-07 2016-11-10 Henkel Ag & Co. Kgaa Method to prevent discoloration of colored textiles

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